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=== APRS ===Automatic Packet Reporting System (APRS) is an amateur radio-based system for real time tactical digital communications of information of immediate value in the local area. APRS is digital communications information channel for ham radio. As a single national channel, it gives the mobile ham a place to monitor for 10 to 30 minutes in any area, at any time to capture what is happening in ham radio in the surrounding area. Announcements, Bulletins, Messages, Alerts, Weather, and of course a map of all this activity including objects, frequencies, satellites, nets, meetings, hamfests, etc. The APRS network has grown to most countries with strong Amateur Radio populations. * [http://www.aprs.org/ Automatic Packet Reporting System]